| Present Location | Bicester |
| County Location | Oxfordshire |
| Designed For | BR |
| Build Location | Ashford |
| Built by | BR |
| Diagram number | 410-EG201 |
| Lot number | 30328 |
| Type | DTBSO |
| First Number | 75186 |
| Later Numbers | M75186, WGP8809 |
| Present Number | None |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Ashford/Eastleigh. Built for Euston/Watford and North London line 4 rail 630 V services. P from Marchwood Military Railway (Hampshire) to the Coventry site 04/06 - still carrying Army No. WGP8809. By 06/18: moved to Finmere Station following closure of Electric Railway Museum. By 03/20: moved from Finmere to 'D' Site, Graven Hill, Ambrosden, Bicester for storage. |
| Owner | Class 501 Shareholders |
| External Structural Condition | Good |
| Internal Structural Condition | Fair |
| Underframe Condition | Satisfactory |
| External Finish | Satisfactory |
| Internal Finish | Satisfactory |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Unique |
| Historical Importance | Some Importance |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 13/07/2013 |
| Surveyor | David Wigley |
| Photo Date | 10/09/2016 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 11/12/2021 |
